Abstract
The uraniferous veins of Limousin, France, exhibit abnormal characteristics relative to classic hydrothermal ore veins. They occur within the granulite complex of Limousin, in fractures trending roughly perpendicular to the direction of zones of high-temperature mineralization in the contact with granite masses. Genesis of the epithermal uraniferous veins is attributed to selective concentration of lithophile elements in granites which had been subjected to pneumatolytic processes; concentration was probably partly a function of material leached by ascending solutions from subjacent shattered zones.
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